import pandas as pd
list=[[110,120,105],[95,110,108],[98,80,100],[112,106,97]]
index = ['王猛','李珊','赵胜','刘文']
columns = ['语文','数学','英语']
df = pd.DataFrame(list, index, columns)
print('原始数据:\n',df)
print('选取王蒙的所有成绩:\n',df.iloc[0])
print('选取王蒙和刘文的所有成绩:\n',df.iloc[[0, 3]])
print('选取王蒙到赵胜的所有成绩:\n',df.iloc[0: 3])
print('选取王蒙和赵胜的语文和数学成绩:\n',df.iloc[[0, 2],[0, 1]])
print('选取王蒙到赵胜的语文和英语成绩:\n',df.iloc[0: 3,[0,2]])
